BE511620A - - Google Patents
Info
- Publication number
- BE511620A BE511620A BE511620DA BE511620A BE 511620 A BE511620 A BE 511620A BE 511620D A BE511620D A BE 511620DA BE 511620 A BE511620 A BE 511620A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2774954X | 1951-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511620A true BE511620A (en) |
Family
ID=17584393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511620D BE511620A (en) | 1951-05-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2774954A (en) |
| BE (1) | BE511620A (en) |
| DE (1) | DE965204C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1058412B (en) * | 1954-09-07 | 1959-05-27 | Atlas Werke Ag | Device for displaying the water depth on a watercraft with rapidly changing draft |
| US3017606A (en) * | 1958-09-10 | 1962-01-16 | Kietz Hans | Echo sounding system |
| DE1266669B (en) * | 1962-10-19 | 1968-04-18 | Electroacustic Gmbh | Method and device for the separate recording of reflectors located above the seabed, e.g. B. of schools of fish, by echo sounding |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1636502A (en) * | 1921-03-28 | 1927-07-19 | Reginald A Fessenden | Method and apparatus for determining distance by echo |
| DE419710C (en) * | 1922-03-04 | 1925-10-07 | Alexander Behm | Circuit for short-time meters used in connection with echo sounders or similar devices |
| NL18599C (en) * | 1924-01-19 | |||
| BE449589A (en) * | 1933-12-15 | |||
| US2407697A (en) * | 1935-09-14 | 1946-09-17 | Submarine Signal Co | Apparatus for submarine signaling |
| DE720893C (en) * | 1939-03-07 | 1942-05-18 | Telefunken Gmbh | Device for avoiding measurement errors caused by the inclined position of the vehicle carrying the measurement apparatus during wireless navigation measurements |
| US2350994A (en) * | 1940-03-06 | 1944-06-13 | Submarine Signal Co | Recorder |
| US2394286A (en) * | 1942-01-24 | 1946-02-05 | Nat Simplex Bludworth Inc | Interval meter |
| US2477050A (en) * | 1946-03-06 | 1949-07-26 | Rca Corp | Submarine attacking device |
| US2615940A (en) * | 1949-10-25 | 1952-10-28 | Williams Milton | Electrokinetic transducing method and apparatus |
| DE874423C (en) * | 1949-11-18 | 1953-10-26 | Atlas Werke Ag | Method and device for echo sounding, in particular for fishing vessels |
-
0
- BE BE511620D patent/BE511620A/xx unknown
-
1952
- 1952-05-22 US US289305A patent/US2774954A/en not_active Expired - Lifetime
- 1952-05-24 DE DEI5890A patent/DE965204C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2774954A (en) | 1956-12-18 |
| DE965204C (en) | 1957-06-06 |